On the deformations of the incompressible Euler equations

被引：0
作者：
Dongho Chae
机构：
[1] Sungkyunkwan University,Department of Mathematics
来源：
Mathematische Zeitschrift | 2007年 / 257卷
关键词：
Euler equations; Deformations; Blow-up problem; 35Q35; 76B03;
D O I：
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学科分类号：
摘要：
We consider systems of deformed system of equations, which are obtained by some transformations from the system of incompressible Euler equations. These have similar properties to the original Euler equations including the scaling invariance. For one form of deformed system we prove that finite time blow-up actually occurs for ‘generic’ initial data, while for the other form of the deformed system we prove the global in time regularity for smooth initial data. Moreover, using the explicit functional relations between the solutions of those deformed systems and that of the original Euler system, we derive the condition of finite time blow-up of the Euler system in terms of solutions of one of its deformed systems. As another application of those relations we deduce a lower estimate of the possible blow-up time of the 3D Euler equations.
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页码：563 / 580
页数：17
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